SK Hynix / Samsung 16GB DDR4-3200 ECC RDIMM Server Memory Module

Brand: SK Hynix | Category: Memory (RAM)

SKU: 16GB-DDR4-3200-ECC-RDIMM | Part #: 16GB-DDR4-3200-ECC-RDIMM

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Product Overview

The SK Hynix / Samsung 16GB DDR4-3200 ECC RDIMM is a high-performance, enterprise-grade registered memory module designed to meet the demanding reliability and bandwidth requirements of modern server infrastructure. Operating at a data transfer rate of 3200 MT/s (PC4-25600), this module represents one of the fastest standard DDR4 speed grades available for server platforms, delivering substantial improvements in memory throughput compared to earlier DDR4-2666 and DDR4-2933 generations.

ECC (Error-Correcting Code) technology is fundamental to enterprise memory design. Unlike standard consumer DRAM, ECC memory continuously detects and corrects single-bit memory errors in real time, preventing silent data corruption that could otherwise cause system instability, application crashes, or — in worst-case scenarios — undetected financial or scientific data errors. For organisations running databases, virtualisation stacks, AI inference workloads, or financial transaction processing, ECC is not optional; it is a baseline requirement.

The Registered (Buffered) DIMM architecture adds a register component between the memory controller and the DRAM chips, allowing systems to support higher DIMM counts per channel and greater total memory capacity without sacrificing signal integrity. This makes RDIMMs the standard choice for multi-socket server platforms and high-density memory configurations. Sourced from SK Hynix and Samsung — two of the world's most trusted DRAM manufacturers — this module offers best-in-class die quality, consistency, and longevity across the server lifecycle.

Key Features & Benefits

• DDR4-3200 Speed Grade: Operates at 3200 MT/s delivering up to 25,600 MB/s of theoretical peak bandwidth per module — ideal for latency-sensitive and throughput-intensive server workloads.
• ECC Error Correction: Continuously monitors and corrects single-bit DRAM errors in hardware, protecting data integrity without performance overhead and meeting the uptime requirements of 24/7 enterprise deployments.
• Registered (Buffered) Architecture: On-module register reduces load on the memory controller, enabling higher DIMM population per channel and larger total memory configurations across multi-socket platforms.
• 16GB Density: Provides an optimal balance between per-DIMM capacity and cost-per-gigabyte, making it highly versatile for both moderate-density builds and scaled-out server deployments using multiple populated slots.
• New Pulled Condition: Modules are extracted from new or factory-fresh server units, ensuring they are functionally equivalent to retail boxed memory while offering significant procurement cost advantages for budget-conscious enterprise IT teams.
• Tier-1 DRAM Manufacturers: SK Hynix and Samsung are globally recognised as the highest-quality DRAM producers, with manufacturing processes that deliver superior consistency, thermal performance, and long-term reliability compared to second-tier suppliers.
• Wide Platform Compatibility: Validated across major enterprise server platforms from Dell EMC PowerEdge, HPE ProLiant, Lenovo ThinkSystem, Supermicro, Inspur, and others supporting DDR4 RDIMM slots.
• Low Power Operation: DDR4 operates at 1.2V, delivering up to 40% power reduction compared to DDR3, directly lowering data centre PUE and total cost of ownership over multi-year deployments.

Technical Architecture

DDR4 RDIMM modules use a 288-pin DIMM form factor and employ a dual-channel-capable architecture within the module itself. The 16GB capacity is typically configured as a single-rank or dual-rank module using x4 or x8 DRAM components depending on the manufacturing revision. The registered clock driver (RCD) chip buffers the command and address signals, isolating the memory controller from the electrical load of the DRAM chips — this is the defining characteristic of the RDIMM architecture and the primary reason server platforms mandate it over unbuffered UDIMMs at scale.

ECC is implemented using additional DRAM chips that store parity and syndrome bits alongside the primary data. The memory controller performs Hamming code-based detection and correction on every 64-bit data word, expanding it to 72 bits with the inclusion of ECC bits. This process is transparent to the operating system and application layer, occurring entirely within the memory subsystem at full operating speed.

DDR4-3200 achieves its speed through sub-cycle prefetching, improved bank group architecture (allowing bank-group interleaving to reduce effective CAS latency), and refined on-die termination (ODT) signalling that reduces signal reflections at high clock rates. These enhancements allow the memory controller to issue back-to-back read and write commands to different bank groups with reduced idle cycles, improving effective utilisation.

Performance & Capacity

A single 16GB DDR4-3200 RDIMM provides a theoretical peak bandwidth of approximately 25.6 GB/s. In dual-channel configurations typical of modern server memory controllers, two modules together deliver up to 51.2 GB/s of aggregate bandwidth per channel pair. In quad-channel or octa-channel enterprise platforms (such as Intel Xeon Scalable or AMD EPYC), fully populated memory configurations using these modules can deliver several hundred gigabytes per second of total memory bandwidth — a critical metric for in-memory databases, large-scale analytics, and AI inference tasks.

Latency characteristics at DDR4-3200 with standard CL22 timings result in an absolute latency of approximately 13.75 nanoseconds — competitive across the DDR4 generation and well-suited to latency-sensitive workloads. For environments running large VM farms, the combination of high bandwidth and ECC protection ensures that memory becomes an enabler rather than a bottleneck in the overall system architecture.

Compatibility & Integration

This 16GB DDR4-3200 ECC RDIMM is broadly compatible with server platforms equipped with Intel Xeon Scalable (Ice Lake, Cascade Lake, Cooper Lake) and AMD EPYC (Milan, Rome) processors, all of which natively support DDR4 RDIMM at speeds up to 3200 MT/s. Supported server families include:

• Dell EMC PowerEdge R6515, R7515, R6525, R7525, R650, R750, and related platforms
• HPE ProLiant DL360 Gen10 Plus, DL380 Gen10 Plus, DL385 Gen10 Plus
• Lenovo ThinkSystem SR630 V2, SR650 V2, SR645, SR665
• Supermicro SuperServer platforms with X12 and H12 motherboard families
• Inspur NF5280M6, NF5468M6, and related enterprise server lines
• ASRock Rack and Gigabyte server motherboards supporting DDR4 RDIMM

The modules comply with JEDEC standard JESD79-4 for DDR4 SDRAM and meet the SPD (Serial Presence Detect) specifications required for automatic configuration by the system BIOS. They are compatible with IPMI-based server management platforms for post-installation health monitoring.

Ideal Use Cases

• Virtualisation Hosts (VMware vSphere / KVM / Hyper-V): High-density VM consolidation demands maximum memory capacity per host. ECC protection prevents hypervisor-level memory errors from cascading across guest VMs, and 3200 MT/s bandwidth reduces memory contention across concurrent VM workloads.
• Database Servers (MySQL, Oracle, MS SQL, PostgreSQL): Relational databases benefit enormously from large, fast, error-protected memory pools. In-memory caching of frequently accessed table data reduces disk I/O and accelerates query response times.
• AI Inference & Machine Learning Edge Nodes: Inference servers deploying trained models require high-bandwidth memory to feed GPU or CPU accelerators with model parameters and input batches. DDR4-3200 ECC RDIMMs provide the necessary throughput and reliability for production AI services.
• High-Performance Computing (HPC) Clusters: Scientific simulation, CFD, FEA, and genomics workloads are memory-bandwidth bound. ECC protection is essential in HPC environments where silent data corruption would invalidate simulation results.
• Enterprise Storage Controllers & NAS Heads: Storage controllers running large write-back caches or metadata indices require ECC memory to protect in-flight data. 16GB modules provide sufficient per-controller cache capacity for mid-range to high-end storage systems.
• Cloud Infrastructure Build-Outs: Cloud providers and managed service providers scaling out compute nodes benefit from the cost efficiency of new pulled RDIMMs without compromising on manufacturer quality, enabling cost-effective rack-scale deployments.
• ERP & Business-Critical Application Servers: SAP HANA, Oracle EBS, and Microsoft Dynamics deployments running on bare-metal or lightly virtualised infrastructure require large, stable memory footprints with guaranteed error correction to meet SLA requirements.

Why Buy from Omnixon

Omnixon Global is a trusted B2B IT hardware distributor headquartered in Dubai, UAE, with deep expertise in sourcing and supplying enterprise memory, compute, and networking components to organisations across the GCC, Middle East, Africa, and beyond. Our inventory is stocked locally in Dubai, enabling rapid fulfilment for enterprise procurement teams operating under tight project timelines. We work directly with procurement managers, IT directors, and data centre engineers to match the right memory specification to the right platform — eliminating costly compatibility mismatches before hardware reaches the rack. Every component we supply undergoes condition verification and is sourced from reputable supply channels, ensuring that new pulled modules meet the quality standards your infrastructure demands. Our team provides pre-sales technical consultation, bill of materials support, and post-sale assistance, making Omnixon a strategic procurement partner rather than a transactional supplier. Whether you are refreshing a single server or scaling a multi-rack deployment across multiple GCC sites, Omnixon has the inventory depth and regional expertise to support your programme.

Related Products & Ecosystem

To maximise the value of your memory investment, consider complementary products available from Omnixon's catalogue. Pair these DDR4-3200 ECC RDIMMs with compatible enterprise servers from Dell EMC, HPE, Lenovo, and Supermicro available in our Servers category. For storage-intensive workloads, explore our range of Enterprise SSDs and Enterprise HDDs optimised for server backplane integration. High-memory-bandwidth workloads in AI and analytics environments are further accelerated by GPU accelerators from our GPU category. Complete your infrastructure build with Network Switches and Network Adapters & NICs to ensure low-latency connectivity between memory-rich compute nodes. Our UPS & Power Protection and Server Racks & Enclosures categories round out a complete data centre deployment solution.